It shall be unlawful for any person or persons, firm, or corporation, to break into or tap any lateral or trunk sewer of the city, at any other place than where a Y has been placed for connecting of service sewers, except upon a written permission of the city, and when an opening has been made in any lateral or trunk sewer at any other or different place than where a Y is left for such purpose, it shall be under the supervision and direction of the Utilities Superintendent.
(Prior Code, § 5.0503) Penalty, see § 10.99